EP 1911827 B1 20110921 - Liquid crystalline medium
Title (en)
Liquid crystalline medium
Title (de)
Flüssigkristallines Medium
Title (fr)
Milieu liquide cristallin
Publication
Application
Priority
DE 102006048273 A 20061012
Abstract (en)
[origin: EP1911827A2] Liquid crystal medium comprising p-quaterphenyl derivatives (I) is new. Liquid crystal medium comprising p-quaterphenyl derivatives of formula (I) is new. R 1>, R 2> : optionally halogenated 1-15C alkyl or alkoxy, optionally with CH 2 groups replaced by ethynylene, CF 2O, CH=CH, 1,3-cyclobutylene, 2,5-spiro[3.3]cycloheptylene, O, COO or OCO; X 1>-X 12> : H or F, at least one being F. An independent claim is also included for an electrooptic liquid crystal display comprising a liquid crystal medium as above. [Image].
IPC 8 full level
C09K 19/12 (2006.01); C09K 19/44 (2006.01)
CPC (source: EP KR US)
C09K 19/04 (2013.01 - KR); C09K 19/12 (2013.01 - EP KR US); C09K 19/44 (2013.01 - EP US); C09K 2019/0466 (2013.01 - EP US); C09K 2019/124 (2013.01 - EP US); C09K 2323/00 (2020.08 - EP US)
Designated contracting state (EPC)
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC MT NL PL PT RO SE SI SK TR
DOCDB simple family (publication)
EP 1911827 A2 20080416; EP 1911827 A3 20090107; EP 1911827 B1 20110921; AT E525448 T1 20111015; CN 101161773 A 20080416; CN 101161773 B 20130717; JP 2008095110 A 20080424; JP 5575362 B2 20140820; KR 101437685 B1 20140903; KR 20080033115 A 20080416; TW 200829684 A 20080716; TW I421331 B 20140101; US 2008088789 A1 20080417; US 7678432 B2 20100316
DOCDB simple family (application)
EP 07018810 A 20070925; AT 07018810 T 20070925; CN 200710180192 A 20071011; JP 2007265840 A 20071011; KR 20070102529 A 20071011; TW 96138055 A 20071011; US 90732607 A 20071011